'I agree with your points. Have you attended the class?'
No, I posted that because I believe if something is critically important then it's worth doing completely in order to get the best possible results. If I'd not stopped before Jack did I'd have probably tried out his ideas at some point, knowing me. The guys I learned from and hang with still are the 40-50s years sober crowd. Different deal entirely.
The learning experience of paying serious money to get the secret directly from Jack is worth a lot. This way you'll know you absolutely gave this your very best shot. It eliminates any possible future doubts that might otherwise crop up.